Cabin comfort preferences vary widely from one driver to the next, and the BMW 4 Series 420d is worth considering with those personal priorities in mind rather than any single shared standard.
2 generation · Coupe
Generation photo. Individual trim appearance may differ.
The highest speed a vehicle can sustain under manufacturer test conditions. Some cars are electronically limited below their mechanical potential. Glossary entry
233 km/h
Engine type
Diesel
Transmission
Automatic
Type of boost?
A turbocharger or supercharger compresses the air entering the engine so a smaller engine can produce more power. Naturally aspirated engines draw air without a compressor. Glossary entry
Turbo
Type of drive?
Which wheels receive power: front-wheel drive, rear-wheel drive or all-wheel drive. All-wheel drive can send power to every wheel for extra traction. Glossary entry
RWD
Bore and stroke?
The diameter of a cylinder (bore) and the distance the piston travels inside it (stroke). Together they determine the displacement of the engine. Glossary entry
82 x 90 mm
Engine capacity?
The total volume swept by all pistons inside the cylinders, usually stated in cubic centimetres or litres. Larger displacement often means more power but higher consumption. Glossary entry
1995 cm³
Engine location
Front, longitudinal
Number of gears?
How many fixed forward ratios a gearbox offers. More gears can improve economy and refinement; continuously variable transmissions have no fixed steps. Glossary entry
8
Maximum power?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
190 hp
Maximum power, kw?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
139 kW
Compression ratio?
The ratio between the largest and smallest volume of a cylinder as the piston moves. Higher ratios improve efficiency but may require higher-octane fuel. Glossary entry
16.5
Maximum power rpm
4000 rpm
Maximum torque N⋅m
400 N⋅m
Maximum torque rpm
1750-2500 rpm
Acceleration to 100?
The time a vehicle needs to reach 100 km/h from a standstill, a common shorthand for overall performance. Glossary entry
7.6 s
Engine power system
Not provided
Number of cylinders
4
Valves per cylinder?
The number of intake and exhaust valves in each cylinder. Four valves per cylinder is common and helps the engine breathe at higher speeds. Glossary entry
4
Cylinder arrangement
Inline
Maximum power ICE
Not provided
Maximum power ICE
Not provided
Energy & emissions
ECO class
Euro 6
Battery power
Not provided
Fuel grade
Diesel
Mild Hybrid?
A car with a small electric motor and battery that assist the combustion engine and recover braking energy but cannot drive on electricity alone. Glossary entry
MHEV48V
Battery type
Not provided
CO2 emissions?
The amount of carbon dioxide released per kilometre under a standardised test. Lower figures usually go hand in hand with lower fuel consumption. Glossary entry
150 g/km
Full charge home
Not provided
Power consumption
Not provided
Fuel tank capacity
59 l
Full public charging time
Not provided
Driving range, maximum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Driving range, minimum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Fuel consumption city
Not provided
Average consumption
5.7 l
Fuel consumption highway
Not provided
Dimensions & body
Doors number
2
Number of seats
4
Width
1852 mm
Height
1383 mm
Length
4768 mm
Body type
Coupe
Wheelbase?
The distance between the centres of the front and rear wheels. A longer wheelbase usually gives more cabin space and a calmer ride; a shorter one helps agility and parking. Glossary entry
2851 mm
U-turn diameter
11.4 m
Depth of the ford to be crossed
Not provided
Body style
Coupe
Rear track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1611 mm
Trunk volume max
Not provided
Trunk volume min
440 l
Front track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1575 mm
Max weight
2315 kg
Curb weight?
The weight of the vehicle with all standard equipment and fluids but without passengers or cargo. Glossary entry
1760 kg
Ground clearance, maximum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
Not provided
Ground clearance, minimum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
130 mm
Identity & configuration
Vehicle class
D
Body designation
G22
Right-hand drive
No
Engine code
B47D20B
Additional specifications
Stop
2024-01-31
Start
2020-09-01
Wheel size
Not provided
Rear brakes
Ventilated disc
Front brakes
Ventilated disc
Rear suspension
Independent, spring
Front suspension
Independent, spring
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Not provided means the source has no value. Zero remains zero. Units are shown as supplied; range test cycles are only stated when known.
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Engine and Transmission
For many owners the everyday priority is simply predictable behaviour in familiar conditions: town traffic, a slip road, a long motorway stretch. Which of those dominates the week shapes how much attention the engine and gearbox deserve during a viewing.
Drivetrain and Everyday Driving
Familiar controls matter because ordinary journeys involve small adjustments made while moving, such as temperature, volume or wipers. When those actions can be repeated without deliberate thought, attention stays with the road and the cabin feels less demanding.
Body and Practicality
Loading a weekly shop is the sort of routine task that shows what convenience really means: how easily bags travel from the kerb into the boot, whether they stay where they were put, and how much rearranging comes before closing up.
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